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1331000202 = 237231377847
BaseRepresentation
bin100111101010101…
…0111001110001010
310102202111211000210
41033111113032022
510211214001302
6340023541550
744661213030
oct11725271612
93382454023
101331000202
11623351174
123118ba8b6
131829a02ac
14c8ab0550
157bcb566c
hex4f55738a

1331000202 has 32 divisors (see below), whose sum is σ = 3174561792. Its totient is φ = 363751344.

The previous prime is 1331000197. The next prime is 1331000207. The reversal of 1331000202 is 2020001331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1331000197) and next prime (1331000207).

It is not an unprimeable number, because it can be changed into a prime (1331000207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 687958 + ... + 689889.

It is an arithmetic number, because the mean of its divisors is an integer number (99205056).

Almost surely, 21331000202 is an apocalyptic number.

1331000202 is an abundant number, since it is smaller than the sum of its proper divisors (1843561590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331000202 is a wasteful number, since it uses less digits than its factorization.

1331000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377882.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1331000202 is about 36482.8754623316. The cubic root of 1331000202 is about 1100.0000556474. Note that the first 4 decimals are identical.

Adding to 1331000202 its reverse (2020001331), we get a palindrome (3351001533).

The spelling of 1331000202 in words is "one billion, three hundred thirty-one million, two hundred two", and thus it is an aban number.

Divisors: 1 2 3 6 7 14 21 23 42 46 69 138 161 322 483 966 1377847 2755694 4133541 8267082 9644929 19289858 28934787 31690481 57869574 63380962 95071443 190142886 221833367 443666734 665500101 1331000202